function daysTill(datum){
	var nowDate = new Date();
	var targetDate = new Date(datum);
	var miliDay = 1000 * 60 * 60 * 24;
	var diffBetween = Math.abs(nowDate - targetDate);
	var daysUntill = Math.round(diffBetween/miliDay);
	if(daysUntill >= 11){
		return 0;
	}
	else{
		return daysUntill
	}
}